add cmake build system currently test on windows platfrom

CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.2)
+project(infinigen)
+
+set(CONDA_DIR $ENV{CONDA_PREFIX})
+find_program(Python_EXECUTABLE python PATHS ${CONDA_DIR} ~/desktop/.conda NO_DEFAULT_PATH)
+if(NOT Python_EXECUTABLE)
+    message(FATAL_ERROR "Python executable not found in conda environment")
+endif()
+message(STATUS "Python executable found at ${Python_EXECUTABLE}")
+get_filename_component(CONDA_ROOT ${Python_EXECUTABLE} DIRECTORY)
+set(CONDA_INDICATOR_DIRECTORY ${CONDA_ROOT}/Library/include)
+
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/worldgen)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/worldgen/terrain)

worldgen/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.2)
+project(worldgen)
+
+add_custom_target(worldgen_python_ext
+    COMMAND ${Python_EXECUTABLE} setup_linux.py build_ext --inplace
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/assets/creatures/geometry/cpp_utils
+    COMMENT "Building Python extension NURBSE"
+)

worldgen/terrain/CMakeLists.txt

@@ -0,0 +1,97 @@
+cmake_minimum_required(VERSION 3.2)
+project(terrain)
+
+enable_language(CXX)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+
+add_compile_definitions(M_PI 3.14159265358979323846)
+add_compile_definitions(M_PI_2 1.57079632679489661923)
+
+
+find_package(OpenMP REQUIRED)
+
+set(DESTINATION ${CMAKE_CURRENT_SOURCE_DIR}/lib)
+
+
+set(elements
+    "voronoi_rocks"
+    "upsidedown_mountains"
+    "ground"
+    "warped_rocks"
+    "mountains"
+    "landtiles"
+    "atmosphere"
+    "waterbody"
+)
+
+set(surfaces
+    "chunkyrock"
+    "cobble_stone"
+    "cracked_ground"
+    "dirt"
+    "ice"
+    "mountain"
+    "mud"
+    "sand"
+    "sandstone"
+    "snow"
+    "soil"
+    "stone"
+)
+
+
+# cuda part
+if(USE_CUDA)
+    enable_language(CUDA)
+    find_package(CUDA REQUIRED)
+    set(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS} -Xcompiler")
+    cuda_add_library(FastNoiseLite SHARED source/cuda/utils/FastNoiseLite.cu)
+    install(TARGETS FastNoiseLite DESTINATION ${DESTINATION}/cuda/utils)
+    foreach(element ${elements})
+        cuda_add_library(${element} SHARED source/cuda/elements/${element}.cu)
+        install(TARGETS ${element} DESTINATION ${DESTINATION}/cuda/elements)
+    endforeach()
+    foreach(surface ${surfaces})
+        cuda_add_library(${surface} SHARED source/cuda/surfaces/${surface}.cu)
+        install(TARGETS ${surface} DESTINATION ${DESTINATION}/cuda/surfaces)
+    endforeach()
+endif()
+
+# cpu part
+if(WIN32)
+    foreach(element ${elements})
+        add_library(${element} SHARED source/cpu/elements/${element}.cpp)
+        target_link_libraries(${element} PRIVATE OpenMP::OpenMP_CXX)
+        install(TARGETS ${element} DESTINATION ${DESTINATION}/cpu/elements)
+    endforeach()
+    foreach(surface ${surfaces})
+        add_library(${surface} SHARED source/cpu/surfaces/${surface}.cpp)
+        target_link_libraries(${surface} PRIVATE OpenMP::OpenMP_CXX)
+        install(TARGETS ${surface} DESTINATION ${DESTINATION}/cpu/surfaces)
+    endforeach()
+    add_library(FastNoiseLite SHARED source/cpu/utils/FastNoiseLite.cpp)
+    target_link_libraries(FastNoiseLite PRIVATE OpenMP::OpenMP_CXX)
+    install(TARGETS FastNoiseLite DESTINATION ${DESTINATION}/cpu/utils)
+endif()
+
+file(GLOB_RECURSE MESHING_SOURCES source/cpu/meshing/*.cpp)
+foreach(meshing_source ${MESHING_SOURCES})
+    get_filename_component(meshing_name ${meshing_source} NAME_WE)
+    add_library(${meshing_name} SHARED ${meshing_source})
+    target_link_libraries(${meshing_name} PRIVATE OpenMP::OpenMP_CXX)
+    install(TARGETS ${meshing_name} DESTINATION ${DESTINATION}/cpu/meshing)
+endforeach()
+
+add_library(SoilMachine SHARED source/cpu/soil_machine/SoilMachine.cpp)
+target_include_directories(SoilMachine PRIVATE ${CONDA_INDICATOR_DIRECTORY})
+target_link_libraries(SoilMachine PRIVATE OpenMP::OpenMP_CXX)
+install(TARGETS SoilMachine DESTINATION ${DESTINATION}/cpu/SoilMachine)
+
+add_custom_target(terrin_python_ext
+    COMMAND ${Python_EXECUTABLE} setup.py build_ext --inplace
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMENT "Building python extension"
+)